Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...
Forum Posts
I'm currently trying to measure a delay from packets leaving a Nexus 9300 switch>switch aggregator>Analyser Tool (Corvil) I have a span port configured on the nexus this span port is a 40GB BiDi connection to a 3rd party Switch Aggregator. The SA d...
Hi All, Not sure if I am missing something, but when I use Cisco network assistant to have a look at port settings for one of my switches (Trying to set ESXi port speed to auto which is failing, so investigating negotiation settings on the switch), i...
how to find the fc id for a given vfc interface?
Resolved! Home lab setup
Working on setting up home lab, so this is not a production environment. :) Running into a few issues; been reviewing forums, and feeling overwhelmed. Equipment: 1x Cisco 3750 10/100 switch 1x 2951 Router 1x 5510 ASA firewall (not in scope yet) 1...
Is it possible to bundle 3 different bandwidth in LACP? For example, 4Mb + 2Mb + 5Mb?
Hello, I have two routers with two bridged ports connected to other two routers, so they are connected with each other How can I prevent loops in this topology ? I try following config but i get: show spanning-tree No spanning tree instance exist...
Good evening. I'm not very good at networking yet and I need your help to choose a switch. :) I have a router that manages my vlan. For example port 1 = Vlan1; port 2 = Vlan2 etc .... My router only has 8 ports. But I need about 15ports. So I'm looki...
My understanding is that if native VLAN on a trunk is 1, CDP will send its frame untageed. However, if native VLAN on a trunk is not 1, CDP will always send its frame tagged with VLAN 1 tag. To make sure, I did test on the Packet Tracer 7.1 and the l...
Resolved! Cisco 871W - NAT/DHCP issue
I have an 871W router connected to a 3560 switch. Clients are unable to obtain an IP address via DHCP from the router and they never connect. If I statically assign and address from the DHCP pool however, they work and are able to access the intern...
I have a customer who had already invested heavily in 10/100 IP phones. They are now looking for network refresh with Cisco Catalyst switches to support both data and voice. Since the phone can't support 1Gb, and they want desktop with 1Gb connecti...
I have a customer who had already invested heavily in 10/100 IP phones. They are now looking for network refresh with Cisco Catalyst switches to support both data and voice. Since the phone can't support 1Gb, and they want desktop with 1Gb connecti...
Hello,I'm trying to sync the time on our routers and swithces with a Windows 2008R2 server, but it doesn't work. Has anyone managed to do this:Config:ntp masterntp update-calendarntp server 192.168.2.164sh ntp associations address ref clock...
Hi All, I currently have a Meraki MX64 Firewall that I have uplinked to a Cisco 3750G that has multiple SVI. Everything is working, but I am trying to track down a few odd messages I am seeing in the logs of the Meraki device. I have configured th...
I have been looking at a cisco lab and it shows a topology which I have tried to mimic on both Packet Tracer and real kit. It states that on a single router the following loopback interfaces should be configured as follows …. I can configure lo0 b...
Resolved! Enable UDLD feature on ASR 1001
Hi,I have an ASR 1001 router running latest 3.9.2S code.The udld feature was introduced in 3.9SHowever..With the IPBase license the udld command does not appear in configuration mode.But when I enable the AdvancedIPServices evaluation license and reb...
